gfaraj / purchases-unity

Support files for RevenueCat Unity integration.

Purchases.framework for Unity

The Purchases SDK provided by RevenueCat allows you to implement subscriptions in your Unity app easily.

1. Add the Purchases Unity package

Get the latest version of Purchases.unitypackage from Github. Add it to your Unity project.

2. Create a GameObject with the Purchases behavior

The Purchases package will include a MonoBehaviour called Purchases. This will be your access point to RevenueCat from inside Unity. It should be instantiated once and kept as a singleton. You can use properties to configure your API Key, app user ID (if you have one), and product identifiers you want to fetch.

The Purchases behaviour is configured with your RevenueCat API key and the product identifiers you want to fetch.

3. Subclass Purchases.Listener MonoBehaviour

The Purchases behavior takes one additional parameter, a GameObject with a Purchases.Listener component. This will be where you handle purchase events, and updated subscriber information from RevenueCat. Here is a simple example:

using System;
using UnityEngine;
using UnityEngine.Events;
using UnityEngine.UI;

public class PurchasesListener : Purchases.UpdatedPurchaserInfoListener
{
    void ButtonClicked(string product)
    {
        Purchases purchases = GetComponent<Purchases>();
        purchases.MakePurchase(product, (productIdentifier, purchaserInfo, userCancelled, error) =>
        {
            if (!userCancelled)
            {
                if (error != null)
                {
                    LogError(error);
                }
                else
                {
                    DisplayPurchaserInfo(purchaserInfo);
                }
            } else
            {
                Debug.Log("Subtester: User cancelled, don't show an error");
            }
        });
    }
    
    void DoOtherStuff()
    {
        var purchases = GetComponent<Purchases>();
        var data = new AdjustData
        {
            adid = "test",
            network = "network",
            adgroup = "adgroup",
            campaign = "campaign",
            creative = "creative",
            clickLabel = "clickLabel",
            trackerName = "trackerName",
            trackerToken = "trackerToken"
        };

        purchases.AddAttributionData(JsonUtility.ToJson(data), Purchases.AttributionNetwork.ADJUST);
        
        purchases.GetPurchaserInfo((info, error) =>
        {
            Debug.Log("purchaser info " + info.ActiveSubscriptions);
            if (error != null) {
                LogError(error);
            }
        });
        purchases.GetProducts(new []{ "onemonth_freetrial", "annual_freetrial" }, (products, error) =>
        {
            Debug.Log("getProducts " + products);
            if (error != null) {
                LogError(error);
            }
        });
        
        Debug.Log("user ID " + purchases.GetAppUserId());
    }

    void RestoreClicked()
    {
        var purchases = GetComponent<Purchases>();
        purchases.RestoreTransactions((purchaserInfo, error) =>
        {
            if (error != null)
            {
                LogError(error);
            }
            else
            {
                DisplayPurchaserInfo(purchaserInfo);
            }
        });
    }

    
    public override void PurchaserInfoReceived(Purchases.PurchaserInfo purchaserInfo)
    {
        DisplayPurchaserInfo(purchaserInfo);
    }
    
    private void logError(Purchases.Error error)
    {
        Debug.Log("Subtester: " + JsonUtility.ToJson(error));
    }


    private void DisplayPurchaserInfo(Purchases.PurchaserInfo purchaserInfo)
    {
        // Show purchaser info on screen
    }
}